Job Description:

API Developer (Golang/Python) – Financial Services
 

• Inside IR35
• Sheffield (1–2 days/month onsite)

A leading financial services organisation is seeking an experienced API Developer to join their team on a contract basis. This is a great opportunity to work on modern, scalable systems within a highly regulated and fast-paced environment.

This role would suit a developer who enjoys working on backend systems but is comfortable contributing to full-stack solutions when needed. If you’re looking to make an impact within a major financial organisation, this could be a strong fit.

Role Overview

You’ll be responsible for designing, building, and integrating high-performance APIs, with a strong focus on Golang (preferred) or Python. You’ll also collaborate with front-end teams, contributing to web-facing components using technologies such as React or Node.js.

Key Responsibilities

• Design, develop, and maintain robust APIs
• Ensure seamless integration across internal and external systems
• Collaborate with cross-functional teams including front-end developers
• Contribute to architecture decisions and best practices
• Support performance optimisation and scalability initiatives

Required Skills & Experience

• Strong experience with Golang (preferred) or Python
• Proven track record in API development (design, build, integration)
• Understanding of modern software engineering practices

Nice to Have

• Experience with React or Node.js
• Working knowledge of Python (if not primary language)
• Exposure to Rust

Highly Desirable

• Experience with Identity and Access Management (IAM)
• Familiarity with Google Cloud Platform (GCP)

More details available on successful application.